diff --git a/src/rust-2021/reserving-syntax.md b/src/rust-2021/reserving-syntax.md
index d49a46ab..15e7b1f5 100644
--- a/src/rust-2021/reserving-syntax.md
+++ b/src/rust-2021/reserving-syntax.md
@@ -47,8 +47,6 @@ committed to any of them yet):
 
 - `s""` for `String` literals.
 
-- `c""` or `z""` for null-terminated C strings.
-
 [10]: https://github.com/rust-lang/rfcs/pull/3101